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LX432
L OW V OLTAGE A DJUSTABLE P RECISION S HUNT R EGULATORS
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DESCRIPTION The LX432 series are low-voltage precision adjustable shunt regulators with a reference voltage of 1.24V. The output voltage may be set to any value between 1.24V and 20V by two external resistors. These devices offer low output impedance for improved load regulation — typical output impedance is 250mΩ. The LX432 series operates with an operating current as low as 80µA, making these devices suitable for portable and micropower applications. Low voltage operation enables the LX432 to be used in the feedback loop of isolated low voltage power supplies.